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While researching her doctoral thesis, Suzanne Simard, now a professor of forest ecology at the University of British Columbia, made an astounding discovery – trees in forests seem to possess complex information superhighways in their root systems that allow them to share information. Her 1995 doctoral thesis on the topic has been part of a revolution in how scientists view plants, leading many to suggest that they possess cognitive abilities, and even intelligence. This animation from TED-Ed details the symbiotic relationship – between tree roots and fungi called mycorrhizae – that serves as the foundation of these intricate intra-tree communication networks, allowing them to trade news on topics such as drought and insect attacks, and even detect if an incoming message has been sent by a close relative.
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Nature and landscape
Take a serene hike through an ancient forest, inspired by a Miyazaki masterpiece
6 minutes
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Design and fashion
The mundane becomes mesmerising in this deep dive into segmented displays
14 minutes
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Physics
A song of ice, fire and jelly – exploring the physics and history of the trumpet
9 minutes
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Animals and humans
An artist and ants collaborate on an exhibit of ‘tiny Abstract Expressionist paintings’
5 minutes
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Mathematics
How a curious question about colouring maps changed mathematics forever
9 minutes
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Physics
A dreamy tribute to the music of Brian Eno, rendered in paint, soap and water
2 minutes
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Biology
To understand how an animal sees the world, start with the shape of its pupils
5 minutes
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Technology and the self
Why we should worry less about ‘sentient’ AIs and more about what we’re teaching them
16 minutes
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Physics
Why does the Sun occasionally flash green as it eclipses the horizon?
7 minutes